13305290 has 8 divisors (see below), whose sum is σ = 23949540. Its totient is φ = 5322112.

The previous prime is 13305241. The next prime is 13305307. The reversal of 13305290 is 9250331.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12909649 + 395641 = 3593^2 + 629^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 665255 + ... + 665274.

Almost surely, 2^13305290 is an apocalyptic number.

13305290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13305290 is a deficient number, since it is larger than the sum of its proper divisors (10644250).

13305290 is a wasteful number, since it uses less digits than its factorization.

13305290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330536.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 13305290 is about 3647.6417038958. The cubic root of 13305290 is about 236.9598583702.

The spelling of 13305290 in words is "thirteen million, three hundred five thousand, two hundred ninety".